New Generation Steel Strip Continuous Annealing

Hot Dip Galvanizing (Aluminizing) Technology --- JJRS-Sendzimir

Consolidating the advantages of the traditional technology " Improved Sendzimir" and "United States Steel Corp", and integrating the independently researched and developed regenerative nozzle and waste heat efficient recycling technology, the technology R&D team of Beijing JJRS Technology Development Co.,Ltd, launched a new generation of steel strip continuous annealing hot dip galvanizing process contrl technology based its latest self-designed process control technology by in-depth study and analysis, which is named as " JJRS-Sendzimir".

The continuous high-speed hot rolled galvanizing lines include the following sections, assemblies, and machines:

Input section:
1. Coil rack

2. Loading carriage

3. Dual decoiler system- -Alternative operation of decoilers, coil weight 10 to 40 t

4. Two thickness gages - Designed for initial strip thickness control

5. Dual guillotine shears - for cutting the beaded edges of the strip in the alternatively used coils
Butt-welding machine - is equipped with straightener rollers and performs welding of strip ends of two coils; weld thickening no more than 10%, weld strength no less than 85% of the main strip characteristics
6. Looping pit
7. Disc shears - Designed for cutting the strip side edges; shearings are cut up by scrap cutter
8. Stretching machine
9. Stretching rollers
10. Multistorey storage loop (accumulator) - Automatically monitors the strip stock and has end trolley for constant stretching of the strip.
Strip electrochemical cleaning section
The strip is cleaned in baths with alkali solution; after that, it is washed and dried in a way similar to that described for the strip pickling line above.

Strip hydro-dynamic cleaning section
1. Guide rollers
2. Two vacuum housings
3. Dual rotary blowers
4. Dual high-pressure pumps
5. Two cyclone separators
6. Circulation water treatment system

• AME Steel	Tailand	T/Y (No.1 CAL)

• JIANLONG	China	T/Y (No.3 CAL)

• HUXIN	China	T/Y (No.1 CAL)

• IMI	ASIA	T/Y (Tin CAL)

• Iron & Steel	China	T/Y (No.3 CAL)

Beijing JJRS Technology Development Co.,Ltd. registered in national high-tech park - Beijing Economic and Technological Development Zone, is a high-tech enterprise specialized in a complete set of metallurgical equipments for metal surface coating and steel strip intensive processing, its technology integrates machinery, optics, electricity and hydraulic pressure together. 

JJRS is professional on turn-key projects from general planning, designing to manufacturing, installing, commissioning and service. Besides, its business also covers the designing, manufacturing of single equipment, and automatic control system of engineering projects.

JJRS has passed ISO9001 quality management system certification, ISO14000 enviromental management system certification and GB/T28001 occupational health safety management system certification.

JJRS is committed to technology innovation and continuous process improvement of the metallurgical equipment, has achieved a number of scientific research achievements in energy conservation, waste recycling, etc. JJRS has obtained numbers of national patents and won a good reputation from customers both in China and abroad.

Bearing philosophy of advanced technology, professional team, customers first and perfect service in mind, JJRS gathers excellent technology research team and highly qulified management personnel together, the company has perfect management systerm, powerful engineering design and complete project capability by virtue of exquisite technology and scientific management.